William Richard Wilcox
Executive Vice President · COSTCO WHOLESALE CORP /NEW
- 2025
- Oct 14, 2026
- 3
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies William Richard Wilcox files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Claudine Adamo - $5.27M in COST purchases and sales in the last 12 months
- Javier Polit - $2.26M in COST purchases and sales in the last 12 months
- Caton Frates - $1.43M in COST purchases and sales in the last 12 months
- James C. Klauer - $1.41M in COST purchases and sales in the last 12 months
- Russell D. Miller - $1.37M in COST purchases and sales in the last 12 months
- Tiffany Marie Barbre - $1.16M in COST purchases and sales in the last 12 months
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Frequently asked questions
Who is William Richard Wilcox?
William Richard Wilcox is a corporate insider, tracked as Executive Vice President of COSTCO WHOLESALE CORP /NEW (COST). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has William Richard Wilcox submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has William Richard Wilcox been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($3.29M) across all tracked filings.
